523025 has 6 divisors (see below), whose sum is σ = 648582. Its totient is φ = 418400.

The previous prime is 523021. The next prime is 523031. The reversal of 523025 is 520325.

It can be written as a sum of positive squares in 3 ways, for example, as 66049 + 456976 = 257^2 + 676^2 .

It is not a de Polignac number, because 523025 - 2² = 523021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 522994 and 523012.

It is not an unprimeable number, because it can be changed into a prime (523021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10436 + ... + 10485.

It is an arithmetic number, because the mean of its divisors is an integer number (108097).

2⁵²³⁰²⁵ is an apocalyptic number.

It is an amenable number.

523025 is a deficient number, since it is larger than the sum of its proper divisors (125557).

523025 is a wasteful number, since it uses less digits than its factorization.

523025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20931 (or 20926 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 523025 is about 723.2046736575. The cubic root of 523025 is about 80.5701457696.

Adding to 523025 its product of nonzero digits (300), we get a palindrome (523325).

The spelling of 523025 in words is "five hundred twenty-three thousand, twenty-five".